The 2015 United States Grand Prix was won by Lewis Hamilton of Mercedes. Despite being on pole position in United States of America, Nico Rosberg could not convert this into a win.
The race in United States of America was round 16 of 19 of the 2015 season.
Weather conditions at 25 October 2015 19:00 GMT (raceday).
The 2015 United States Grand Prix (formally known as the 2015 Formula 1 United States Grand Prix) was a Formula One motor race that took place on 25 October 2015. The race was contested over fifty-six laps and held at the Circuit of the Americas. It was the sixteenth round of the 2015 season and marked the thirty-seventh time that the United States Grand Prix was run as a round of the World Championship since its inception in 1950, and the fourth time that the event was hosted at this circuit.
Lewis Hamilton was the defending race winner and entered with a 66-point lead in the Drivers' Championship over Sebastian Vettel of Ferrari, with Hamilton's Mercedes teammate Nico Rosberg a further seven points behind. The three-day event was run during a downpour of rain; as a result, the second practice session and the final qualifying session were cancelled, while the whole of qualifying was delayed until the morning of the race day.
Hamilton won the race, passing Nico Rosberg in the later stages, and thereby secured his third Drivers' Championship, as Sebastian Vettel finished third. An incident-packed race saw only twelve cars reach the finish line, with Max Verstappen repeating his best result of the season in fourth and Jenson Button finishing a season-best sixth. After starting in damp conditions, both Red Bull drivers were initially able to challenge the Mercedes for the lead, but later dropped back as the track dried, with Daniil Kvyat retiring after a crash and Daniel Ricciardo eventually finishing tenth.
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